Air conditioning window mounting device



Oct. 22, 1957 2,810,335

E. BILGREI AIR CONDITIONING WINDOW MOUNTINGDEVICE Filed Aug. 5, 1953 2Sheets-Sheet 1 v IIIIIIIIIII/IJ INVENTOR.

Eh zanuel Bilyre BY W W Oct. 22, 1957 E. BlLGREl 2,810,335

, AIR CONDITIONING WINDOW MOUNTING DEVICE Filed Aug. 3, 1955 2Sheets-Sheet 2 INVENTORL Emanuef ,BILZ rev' 1' I M W "l g S U d StatesPatent-(f) AIR CONDITIONING WINDOW MOUNTING DEVICE This inventionrelates to air conditioning apparatus of the type generally referred toas self-contained or window units. More particularly, this inventionrelates to the combination with an air conditioning unit of structurewhich insures dependable support and also insures the supplying of freshairto the unit and the disposalof warm air therefrom.

An object of this invention is to provide improved apparatus of theabove'character, which is light in weight, simple in construction, andeflicient and dependable in use. A further object is to provide theabovein such a manner to avoid the difficulties which have been encounteredwith similar apparatus in the past. A further object is to provide acombined air conditioning unit and supporting structure therefor, whichis adaptable to meet the various problems which are encountered inactual use. These and other objects will be in part obvious and in partpointed out below.

In the drawings:

Figure 1 is a perspective view of one embodiment of the invention;

Figure 2 is a top plan view of the apparatus of Figure 1 on thesectional line 2-2 of Figure 1;

Figures 3 and 4 are enlarged sectional views respectively on the lines3-3 and 4-4 of Figure 2.

Figure 5 is an exploded view of components of the embodiment of Figures1 and 2;

Figure 6 is a view similar to Figure 5, but illustrating anotherembodiment of the invention; and

Figures 7 and 8 are perspective views, showing other embodiments of theinvention.

In the illustrative embodiment of the invention of Figure l, aself-contained air conditioning unit 2 is mounted at the level of thesill 4 of a window frame 6 having a sliding window 8 therein. Unit 2projects into the room from sill 4, and is supported at the sill andalso at the projecting corners by a pair of metal legs 10. Mounted uponunit 2 are three casing elements or components shown best in Figure 5,and comprising a top plate 12 and a pair of side cowls 14 and 16.Referring again to Figures 1 and 2, cowl 16 is at the left, and cowl 14is at the right, and the cowls are similarly constructed, but have theirelements reversely positioned relative to each other. Cowl 14 (Figure 5)has a side wall 18, and a bottom wall 20, and an upstanding inverted-Uflange 22 parallel to wall 18. Wall 18 connects with an angularlypositioned wall 24 which terminates in a flange 26 in alignment with theinverted-U flange 22. Walls 18, 20 and 24 are lined with a layer ofsound insulated material 28, as shown best in Figure 2. The top plate 12overlies the condenser section 30 of unit 2, and the air filter, andcooling section 32 projects beyond this cover plate. Section 30 has abottom wall 34 (see Figure 4) with an upstanding side flange 36. Theinverted-U flange 22 of cowl 14 is snugly fitted onto this upstandingside flange 36 so as to provide a secure attachment between the cowl andthe bottom wall of unit 2. As shown best in Figure 2,

2 ,810,335 Patented O t. 22,1957

" flange 22 has a slot 40 in which the vertical member is positioned.This accurately positions the cowl members longitudinally of'theinverted-U flange, and prevents sliding thereof. Cowl 16 is similarlyassembled to the lefthand side of unit 2, and top plate 12 hasdownwardly extending flanges 42 and 44 which fit snugly along the outersurfaces of the cowls. The top plate 12 and the cowls are securedtogether and to'unit 2 by screws not shown. v

'Unit 2 and the top plate and cowls are positioned within the room sothat the window 8 may be opened or entirely closed However, when theunit 2 is operating, window 8 is positioned as shown in the drawings,with the bottom rail of the window at the level of the cover plate 12.As shown best in Figure 3, the edge of plate 12,

which extends along the window carries a flexible bead 46 its top edge asealing head 54 which engages the window rail'and provides a seal whenthe window is positioned as shown. However, door 48 may be openedregardless of the position of the window. Hence, when the window isopen, the space to the right and above the air conditioning apparatus isentirely free. Under some circumstances, door 48 is opened to permit theentry of fresh air even though unit 2 is operating.

Referring again to Figure 2, the condensing section of unit 2 has airinlet openings at its sides throughout the zones covered by cowls 14 and16, and the unit exhausts air along the side parallel to window 8.Hence, when window 8 is positioned as shown, air is drawn in through thecowls 14 and 16, and is exhausted in the space between them. Some freshair may be directed into the room and added to the recirculated air. Therecirculated air is drawn into the unit at 56, and is mixed with thefresh air and cooled, and then discharged into the room at 58.

It has been indicated above, that the unit is supported by the windowsill 4 and the legs 10. Legs 10 are threaded into the bottom of the unitframe, and they provide very satisfactory support.

In the embodiment of Figure 6, cover plate 12 is omitted and cowls 14and 16 are replaced by cowls and 62. Cowls 60 and 62 are similar tocowls 14 and 16, except that each of them includes a top wall 64 and adownwardly extending flange 66. These cowls are assembled into unit 2 inthe same manner as cowls 14 and 16 are assembled with the additionalstep of projecting flanges 66 down between the side walls of the unit 2and the unit frame. The operation is the same as described above inconnection with the embodiment of Figures 1 to 5.

In the embodiment of Figure 7, the cowls are formed as integral parts ofa shell, including a top wall 68 and a bottom wall 70. This shell isrigidly attached to the unit by screws not shown. I

The embodiment of Figure 8 is adapted for use with windows having anopening of only the width of the unit 2. In this embodiment, the cowls72 and 74 are formed as upwardly projecting conduits forming the ends ofrectangular, horizontal chamber 76. Chamber 76 has a louvered inlet at78, through which the air is drawn into the chamber, and the air passesfrom the ends of the chamber upwardly through the cowls 72 and 74, andthence into the unit 2, as in the embodiment of Figures 1 to 5. Undersome circumstances, the apparatus of Figure 8 has chamber 76 at the topso that the air passes from this chamber a b ies downw r lxthmus hcowls.

barre-age In the embodiments of Figures 6, 7, and 8, the unit 2 has.beenomitted for thegpurpose,toftmonaclfiar yuq g fie ns th -s ru ure ou qs sm w q th tma t a ad tio a figutestmawhe addedtowtheidrawings Under: SIUBrCiP cumstanoes filters-areprovided,at; the air-,inIett openings 1tofiltenthe incoming air. Alternative:to this thegoper may rbeaadded,totany, of tthesenfigures or ings maybe ooveredrbyt louversonby screens.

The, present invention is adaptable for. use with cas ment windows orother windows wherethehottoms on all of the windows are fixed. In suchcases the glassiis removed from. the! zone where the air pas s to,andifrom the unitan'd theperiphery :of the unit and,.the .cowlqassembly.is sealed with a ,calking compound.

As varioussembodiments may ,be, .madeof the ,abouer invention and aschanges might be; made inv the embodiments above set forth, :it is to.beunderstood thatall matter hereinbefore set forth or shown in.theaccornpanying drawings is totbelinterpretedlas illustrative andnotina limiting sense.

1 claims In aself-contained air conditioning apparatus, ;an airconditioning unit-thavinga casing with .an air dischar e, opening. alongone side thereof which, may :be. positioned substantially atthe planeofawindow, saidlcasing having airinlet openings at the side wallsadjacent the, first-men tioned side, means forvforming air passageways,comprising a, pair ofcowls positionedrespectively at said s=airlinletopenings, each of said cowls being formed by a wall structure which isspaced from its air inlet opening and which is flared inwardly towardand to the side wall of said casing to form an air passageway having agreater width near said window than away from said window, saidpassageway being closed at the top and bottom and extending fromsubstantially:,the;:plane of said air discharge opening to itscorresponding air inlet opening, a bottom wall forsaid casing andhafilinganupstanding side flange portion, the bottom closure of saidcowls being provided withan invertedml'l-shaped; flange adapted to-fitover said upstanding side flangeportiommeans closing ed. the spacebetween eachof said cowls'andthe adjacent side of the window openingand:a.pair,of-.legs fixed;to the respective corners of said airconditioning unit remote from said air discharge opening to providesupport thereof.

References; Cited in the file of this patent UNITED STATES'PA'IENTS

